<template>
  <div>
    <div id="silder" class="mui-slider">
      <div id="sliderSegmentedControl" class="mui-scroll-wrapper">
        <div class="mui-scroll">
          <a href="" 
          :class="['mui-control-item',item.id==0?'mui-active':'']" 
          v-for="item in cates" 
          :key="item.id" @tap="getPhotoListByCateId(item.id)">
          {{item.title}}</a>
        </div>
      </div>
    </div>
    <ul class="photo-list">
      <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
        <img v-lazy="item.img_url">
        <div class="info">
          <h1 class="info-title">{{item.title}}</h1>
          <div class="info-body">{{item.zhaiyao}}</div>
        </div>
      </router-link>
    </ul>
  </div>
</template>

<script>
import mui from "../../lib/mui/js/mui.min.js";

export default {
  data(){
    return {
      cates:[],
      list:[]
    }
  },
  created(){
    this.getAllCategory();
    this.getPhotoListByCateId(0);

  },
  mounted(){
    mui(".mui-scroll-wrapper").scroll({
      deceleration:0.0005
    })
  },

  methods:{
    getAllCategory(){
      this.$http.get("api/getimgcategory").then(result=>{
        if(result.body.status===0){
          result.body.message.unshift({title:"all",id:0})
          this.cates=result.body.message;
        }
      })
    },
    getPhotoListByCateId(cateId){
      this.$http.get("api/getimages/"+cateId).then(result=>{
        if(result.body.status===0){
          this.list=result.body.message;
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
*{
  touch-action: pan-y;
}

.photo-list{
  list-style: none;
  margin:0;
  padding:10px;
  padding-bottom:0;
  li{
    background-color: #ccc;
    text-align:center;
    margin-bottom:10px;
    box-shadow:0 0 9px #999;
    position:relative;
    img{
      width: 100%;
      vertical-align: middle;
    }
    img[lazy="loading"]{
      width :40px;
      height: 300px;
      margin: auto;
    }
    .info{
      color: white;
      text-align: left;
      position: absolute;
      bottom: 0;
      background-color: rgba(0,0,0,0.4);
      max-height: 84px;
      .info-title{
        font-size: 14px;
      }
      .info-body{
        font-size: 13px;
      }

    }
  }
}
</style>